DocLang

A modern document language for structured content generation

Transform .dlang files into rich output using a powerful language server, CLI, and browser-based editor.

Overview • Studio • Quick Start • VS Code • CLI

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✨ Overview

DocLang is a domain-specific language for creating structured documents with a modern authoring experience.

Features

• ⚡ Langium-powered language infrastructure
• 🖥️ Browser-based editor (DocLang Studio)
• 🧩 VS Code extension with LSP support
• ⚙️ CLI tooling for automation
• ✅ Validation, diagnostics, and code intelligence

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📸 DocLang Studio

Write, validate, and render .dlang documents directly in your browser.

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🚀 Quick Start

Start the Web Editor

npm run dev

The editor is available at:

http://localhost:20002

Build the Project

npm run langium:generate
npm run build

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🧩 VS Code Extension

Package the extension:

cd packages/extension
vsce package --allow-missing-repository

Install it:

code --install-extension ./vscode-doc-lang-0.0.1.vsix

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⚡ CLI

Install globally:

cd packages/cli
npm link

Generate output:

doc-lang generate examples/first-example.dlang

Run without installation:

node packages/cli/bin/cli.js generate examples/first-example.dlang

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📝 Examples

For examples, also including source code, from which the .dlang files are derived, see the examples folder.

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📦 Project Structure

packages/
├── cli/
├── extension/
├── language/
└── web/

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🏗️ Technology Stack

• Langium
• TypeScript
• Node.js
• Vite
• VS Code Language Server Protocol